<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title></title>
    <style>
      [v-cloak]{
        display: none;
      }
    </style>
  </head>
  <body>
    <div id="app" v-cloak>
      <div>{{msg}}</div>
      <div v-html="msg"></div>
      <div v-show="1<=2">{{info}}</div>
      <div v-once>{{once}}</div>
      <ul>
        <li v-for="item in 3">这是一个秘密，已做好决定</li>
      </ul>

    </div>
    <script src="./vue.js"></script>
    <script>
      const vm=new Vue({
        el:'#app',
        data:{msg:"余幼时即嗜学，家贫无从致书以观，每假借与藏书之家，手自笔录计日以还",info:"天大寒砚冰坚，手指不可屈伸，弗之待，录毕走送之，不敢稍逾约，以是人多以书假余",once:"当余之从师也，负箧曳屣行深山巨谷中，穷冬烈风，大大雪深数尺，足肤皲裂而不知。"},
        methods:{},
       })
       vm.once="123"
    </script>
  </body>
</html>